CVE-2024-2961
100Vexday Risk Score
Patch now. It exploitation observed by VulnCheck and has a working public exploit.
ssvc Actcvss 7.3epss 88%
from disclosure to weapon40 days
Published on NVDApr 17
1st PoC+40d
metasploit+100d
VulnCheck+152d
exploitation probability
88%top 1% of all CVEs
observed exploitation
yesVulnCheck
11 public exploit(s)
What the vendors declare (VEX)
Official vendor statements in CSAF/VEX format: whether their product is affected, already fixed, or ruled out — and why. These are the vendor's assertions, not Vexday's judgment.
Red HatVEX document ↗
Affected
2 products (10 components)
Red Hat Enterprise Linux 6 · Red Hat OpenShift Container Platform 4
workaround: This issue can be mitigated by removing the ISO-2022-CN-EXT from glibc-gconv-extra's modules configuration. This can be done by: 1) Verify if the module is loaded by running: ~~~ $ iconv -l | grep -E 'CN-?EXT' ISO-2022-CN-EXT// ISO2022CNEXT// ~~~…
Fixed
41 products (8,334 components)
Red Hat Enterprise Linux BaseOS (v. 8) · Red Hat Enterprise Linux BaseOS EUS (v.8.8) · Red Hat Enterprise Linux BaseOS EUS (v.8.6) · Red Hat Enterprise Linux BaseOS (v. 9) · Red Hat Enterprise Linux BaseOS EUS (v.9.0) · and others 36
Not affected
8 products (2,994 components) — because the vulnerable code is not present in the product
Red Hat OpenShift Container Platform 4.14 · Red Hat OpenShift Container Platform 4.16 · Red Hat OpenShift Container Platform 4.13 · Red Hat OpenShift Container Platform 4.15 · Red Hat OpenShift Container Platform 4.12 · and others 3
The iconv() function in the GNU C Library versions 2.39 and older may overflow the output buffer passed to it by up to 4 bytes when converting strings to the ISO-2022-CN-EXT character set, which may be used to crash an application or overwrite a neighbouring variable.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Affected products
The GNU C Library · glibcpublic PoCs found — 11
vulncheckvulncheck.com/xdb/5211e0facb81unverifiedvulncheckvulncheck.com/xdb/cab9ee9dc6bbunverifiedvulncheckvulncheck.com/xdb/cb29502a8900unverifiedvulncheckvulncheck.com/xdb/4bd6d8711dbeunverifiedvulncheckvulncheck.com/xdb/29c7d412dfdeunverifiedvulncheckvulncheck.com/xdb/75be8eeb8fa5unverifiedvulncheckvulncheck.com/xdb/49678baf6c81unverifiedvulncheckvulncheck.com/xdb/26e2745186ceunverifiedvulncheckvulncheck.com/xdb/6216e5ce400aunverifiedvulncheckvulncheck.com/xdb/0518e3e19e7eunverifiedvulncheckvulncheck.com/xdb/362272c09735unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://cert-portal.siemens.com/productcert/html/ssa-082556.htmlhttps://lists.debian.org/debian-lts-announce/2024/05/msg00001.htmlhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BTJFBGHDYG5PEIFD5WSSSKSFZ2AZWC5N/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3I4KYS6EU6S7QZ47WFNTPVAHFIUQNEL/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YAMJQI3Y6BHWV3CUTYBXOZONCUJNOB2Z/https://security.netapp.com/advisory/ntap-20240531-0002/https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2024-0004https://www.ambionics.io/blog/iconv-cve-2024-2961-p1https://www.ambionics.io/blog/iconv-cve-2024-2961-p2https://www.ambionics.io/blog/iconv-cve-2024-2961-p3http://www.openwall.com/lists/oss-security/2024/04/17/9http://www.openwall.com/lists/oss-security/2024/04/18/4